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### Question: How to know your baby has imperforate anus?
### Response: Physical exam: A doctor can diagnose this condition during a physical exam. A fistula, an abnormal connection or opening between the intestine and bladder, suggest the existence imperforate anus. And, if stool is excreted through the urine or from the vagina, imperforate anus would be suspected. Images: Images such as x-ray, ultrasound. CT, or MRI may be recommended to diagnose children with any form of anorectal malformation.